ArticleNature communications2023
Witnessing light-driven entanglement using time-resolved resonant inelastic X-ray scattering.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Investigations of spin textures at small length and short timescales with neutron, x-ray, and optical methods.Science advances · 2026Review
- Intertwined orders in a quantum-entangled metal.Nature materials · 2026Article
- Quantum Fisher information in a strange metal.Nature physics · 2026Article
- Amplified multipartite entanglement witnessed in a quantum critical metal.Nature communications · 2025Article
- Ultrafast pump-probe phase-randomized tomography.Light, science & applications · 2025Article
- Vibrational Entanglement through the Lens of Quantum Information Measures.The journal of physical chemistry letters · 2024Article
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
Characterizing and controlling entanglement in quantum materials is crucial for the development of next-generation quantum technologies. However, defining a quantifiable figure of merit for entanglement in macroscopic solids is theoretically and experimentally challenging. At equilibrium the presence of entanglement can be diagnosed by extracting entanglement witnesses from spectroscopic observables and a nonequilibrium extension of this method could lead to the discovery of novel dynamical phenomena. Here, we propose a systematic approach to quantify the time-dependent quantum Fisher information and entanglement depth of transient states of quantum materials with time-resolved resonant inelastic x-ray scattering. Using a quarter-filled extended Hubbard model as an example, we benchmark the efficiency of this approach and predict a light-enhanced many-body entanglement due to the proximity to a phase boundary. Our work sets the stage for experimentally witnessing and controlling entanglement in light-driven quantum materials via ultrafast spectroscopic measurements.
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Registered trials
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